Number Guessing Game (With tries)

#include <iostream>
#include <ctime>
#include <cstdlib>
using namespace std;

int main()
{
     srand((unsigned)time(NULL));
    int randomNumber = rand() % 101;
    int tries, guess = 0;

    do
    {
            cout << "Try to get the random number." << endl;
            cin >> guess;
            tries++;

            if(guess > randomNumber)
            {
                     cout << "Too high!" << endl;
                     }
                     else if(guess < randomNumber)
                     {
                          cout << "Too low!" << endl;
                      }
                      else if(guess == randomNumber)
                      {
                           cout << "Correct, you made it in " << tries << " tries." << endl;
                           system("pause");
                       }

            }while(guess != randomNumber);

    return 0;
}